(19)

(11)

EP 3 507 500 A1

(12)

(43) Date of publication: 10.07.2019 Bulletin 2019/28 (21) Application number: 17762176.0 (22) Date of filing: 30.08.2017

(51) International Patent Classification (IPC):  F04D 19/04(2006.01) H02K 1/27(2006.01) F04D 25/06(2006.01) (86) International application number: PCT/GB2017/052528 (87) International publication number: WO 2018/042172 (08.03.2018 Gazette 2018/10)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 05.09.2016 GB 201615048 (71) Applicant: Edwards Limited Burgess Hill, Sussex RH15 9TW (GB)	(72) Inventors: SKINNER, Ulrike Martina Burgess Hill Sussex RH15 9TW (GB) LUCCHETTA, Emiliano Burgess Hill Sussex RH15 9TW (GB) (74) Representative: Norton, Ian Andrew  Edwards Limited Innovation Drive Burgess Hill West Sussex RH15 9TW West Sussex RH15 9TW (GB)